Alert archive / Alabama / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 30, NWS Birmingham, AL

March 30, 1989Colbert County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 30, 1989, 10:34 PM CST for Colbert County, Alabama. It was in force for 56 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 30, 1989, 10:34 PM CST (04:34 UTC)
Expired
Mar 30, 1989, 11:30 PM CST
In force
56 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Colbert County, AL

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Mar 30, 10:50 PM CSTHail 0.75Colbert, AL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 4.6 hours before the alert went out and 193 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Nashville Metro, TN at 00:00Z on 1989-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 1989-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1131 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
242 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Mar 30, 9:49 PM CST, 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
948 PM CST THU MAR 30 1989

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SECTIONS OF CENTRAL
AND NORTH ALABAMA UNTIL 2 AM CST...

AT 948 PM CST A LINE OF STRONG THUNDERSTORMS...SOME SEVERE PRODUCING
LARGE HAIL...EXTENDED FROM THE NORTHWEST CORNER OF ALABAMA SOUTHWESTWARD
TO TUPELO AND GREENWOOD MISSISSIPPI. A STRONG THUNDERSTORM NEAR TUPELO
WILL AFFECT SECTIONS OF MARION COUNTY BY 1030 PM CST. THE STORMS WERE
MOVING EAST AT 45 MILES AN HOUR.

PERSONS IN NORTHWEST AND WEST CENTRAL ALABAMA NEED TO MONITOR THEIR
LOCAL RADIO...TV OR NOAA WEATHER RADIO FOR THE NEXT FEW HOURS AS THE
STORMS MOVE THROUGH THE AREA. THE STORMS WILL LIKELY REACH THE
TUSCALOOSA AND BIRMINGHAM AREAS A LITTLE AFTER 12 MIDNIGHT.

The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 30, 10:02 PM CSTSevere Thunderstorm WarningBMXMarion58 min
Mar 30, 10:08 PM CSTTornado WarningBMXFranklin54 min
Mar 30, 10:13 PM CSTTornado WarningBMXMarion47 min
Mar 30, 11:02 PM CSTSevere Thunderstorm WarningBMXLawrence58 min
Mar 30, 11:24 PM CSTSevere Thunderstorm WarningBMXLawrence, Limestone, Morgan66 min
Mar 30, 11:37 PM CSTSevere Thunderstorm WarningBMXMadison68 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1989Every severe thunderstorm warning in 1989

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.